US Bridges

NW 12th ST over West Emma Creek

Good

Harvey County, Kansas · 5.5W of Newton · Structure no. 000000000400410

Built
2010
15 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
291 ft
5 main spans
Daily traffic
970
2006 count
Owner
County
County Highway Agency

About this bridge

NW 12th ST over West Emma Creek is a concrete continuous slab carrying NW 12th ST over West Emma Creek in Harvey County, Kansas. It was built in 2010, so it is 15 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 970 vehicles a day, roughly 10% of them trucks, projected to reach 1,070 by 2042. The structure is 291 ft (88.7 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNW 12th ST
CrossesWest Emma Creek
Location5.5W of Newton
RouteCounty Highway 749
StateKansas
Coordinates38.05778, -97.47194
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length291 ft (88.7 m)
Longest span64 ft (19.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic970 (2006)
Projected traffic1,070 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 12th ST over West Emma Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is NW 12th ST over West Emma Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does NW 12th ST over West Emma Creek carry?

About 970 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is NW 12th ST over West Emma Creek?

The structure is 291 ft (88.7 m) long with a longest span of 64 ft (19.5 m) and a deck 32 ft wide.

Who owns NW 12th ST over West Emma Creek?

It is owned by the County Highway Agency.